export const ADD_TODO = 'ADD_TODO'
export const FETCH_PUBLICSQUARE = 'FETCH_PUBLICSQUARE'
/*
 * 也可以使用对象常量
 export const VisibilityFilters = {
  SHOW_ALL: 'SHOW_ALL',
  SHOW_COMPLETED: 'SHOW_COMPLETED',
  SHOW_ACTIVE: 'SHOW_ACTIVE'
}
 */

